LambdaToSql/Realization/Insertable.cs

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using LambdaToSql.FrameWork;
using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Linq.Expressions;
using Newtonsoft.Json;
using System.Diagnostics;

namespace LambdaToSql.Realization
{
    internal class Insertable<T> : LambdaToSql.Interface.IInsertable<T> where T : class, new()
    {
        public virtual LambdaToSql.EntityModel.DbContext Context { get; set; }

        internal LambdaToSql.EntityModel.InsertEntity<T> Entity { get; set; }

        public Insertable(LambdaToSql.EntityModel.DbContext context)
        {
            this.Context = context;
            //Entity = new LambdaToSql.EntityModel.InsertEntity<T>(this.Context);

            string assemblyName = "LambdaToSql";
            string fullTypeName = string.Format("LambdaToSql.EntityModel.{0}.{1}`1", this.Context.SqlType.ToString(), "InsertEntity");
            Type objType = Assembly.Load(assemblyName).GetType(fullTypeName);
            Type type = objType.MakeGenericType(typeof(T));
            Entity = (LambdaToSql.EntityModel.InsertEntity<T>)Activator.CreateInstance(type, new object[] { this.Context });
        }

        public virtual LambdaToSql.Interface.IInsertable<T> Insert(T obj)
        {
            this.Entity.TableName = this.Entity.TableName;
            this.Entity.Obj = obj;

            return this;
        }

        public virtual LambdaToSql.Interface.IInsertable<T> InsertColumns(Expression<Func<T, object>> exp)
        {
            if (exp != null)
            {
                var obj = new LambdaRouter(this.Entity.Parameters);
                string str = obj.ExpressionRouter(exp);
                this.Entity.InsertColumns.AddRange(str.Split(',').ToList());
            }
            return this;
        }

        public virtual LambdaToSql.Interface.IInsertable<T> IgnoreColumns(Expression<Func<T, object>> exp)
        {
            if (exp != null)
            {
                var obj = new LambdaRouter(this.Entity.Parameters);
                string str = obj.ExpressionRouter(exp);
                this.Entity.IgnoreFields.AddRange(str.Split(',').ToList());
            }
            return this;
        }